Code optimization
phase improve the intermediate code ie., It reduces the code by removing the
repeated or unwanted instructions from the intermediate code. The above giving
intermediate code can be optimized to the following
Temp1:=id3+60.o
id1:=id2+temp1
compiler can deduce that the conversion of 60 from
integer to real can be done all at
once at compile time. So that into real operations
can be eliminated.temp3is used to
transmit its value to id1 instead which can be
directly substituted to id1.
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